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(No Model.) 2 Sheets-Sheet l.

N. 0. BOND. TIDE AND WAVE POWER APPARATUS.

No.' 446,422. Patented.i eb. 17,1891.

\\\m\v\tf (No Model.) 2 Sheets-Sheet 2 N. o. BUND. TIDE AND WAVE POWER APPARATUS.

110.446,422. Patented Feb. 17,1891.

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iran @raras Parent t ilFlFllCllt NATIIAN O. BOND, OF FAIRFAX COURT-HOUSE, VIRGINIA, ASSIGNOR OF ONE- HALF TO FREDERICK XV. PRATT, OF WASHINGTON, DISTRICT OF COLUMBIA.

TEDE AND WAVE POWER APPARATUS.

SPECIFICATION forming part of Letters Patent No. 446,422,' dated February 17', 1891. Application tiled .Tune 27, 1890. Serial No. 356,924. (No model.)

To aZZ whom it may concern:

Be it known that I, NATHAN O. BOND, acitizen of the United States, residing at Fairfax Court-House, in the county of Fairfax and State of Virginia, have invented certain new and useful Improvements in Tide and Wave Power Apparatus; and I do hereby declare the following to be afull, clear, and exact description of the invention, such as will enro able others skilled in the art to which it apy pertains to make and use the same.

My invention relates to an improvement in tide and wave power apparatus; and it consists in the construction and arrangement of the parts thereof hereinafter described and claimed.

The object of my invention is to provide an approved apparatus for raising water or for transmitting power for other purposes opzo erated by the movement of the surface of a body of water. I obtain this object by the construction illustrated in the accompanying drawings, forming a part of this specification, wherein like letters of reference indicate corresponding parts in the several views, in

which- Figure l represents a side view, partly in section, of my improved apparatus. Fig. 2 is a detail vertical section of the plunger, cas- 3o ing, and storagebox. Fig. 3 is a top plan view in detail of the float and its connectingarms, and Fig. I is a detail View of a portion of the pulley.

In the drawings, A represents a pier hav- 3 5 ing at its outer end piles B, arranged in close proximity to each other. Extending through these piles B and across the intervening space are supporting rods or bearings B', on which rest the trunnions or cylindrical ends c of a 4o rock-shaft C, extending across the pier from one set of piles to the other. This shaft C is preferably made as shown in Fig. 3, with four strips of wood secured with their ends alternately overlapping each other, leaving a central space, in which the trunnions are secured. The center of the shaft is preferably cut away, and in the recesses are placed the sides of two binding or retaining piles D, which prevent the shaft from moving longi- 5o tudinally.

E represents a iioat, preferably elliptical in shape, having stub axles or trunnions, and

with its attachments forms a heavy weight. This Iioat is made of heavy metal.

F represents a frame having outwardlydiverging side supporting-bars F', with clevises f on their outer ends, through which the trunnions o pass, the inner ends extending inward toward each other and formed with bearings or shackles f, through which the 6o trunnions on the float pass. The frame is braced by crossbeam and side braces f2 and f3 to prevent the side bars from spreading.

On the trunnions of the float is pivoted a swinging bail G with a suitable eye, through which passes and is secured a cable II, passing up through the floor of the pier over a pulley 7b, from whence it is carried horizon? tally over suitable pulley-wheels to the waterelevator, which consists of a well or casing I, 7o extending from the floor down, and has its lower end capped and formed with a series of perforations with a casing of wireenetting I2 surrounding the same. This perforated end of the well is embedded in the sand beneath the water to prevent the action of the waves from forcing the sand and other mattei' in the well, the water percolating through the sand and apertures and entering the well.

The interior of the well is divided., prefer- 8o ably, into four compartments K, K, K2, and K3, the former two being cylindrical and have suitable valves 7c 7o at their bottoms.

In the cylinder K is placed a weighted plunger L, formed with aV cylindrical receptacle Z and downwardlyertending arms Z', to the lower end of which is attached a circular valve-seat M, supporting a valve m. This valve fm has attached thereto a link or cord m', extending to the top of the cylindrical 9o receptacle Z, and when the valve is not required the cord is drawn up and attached to the eye of the bail Z4, thus permitting the water to pass through the opening in the valveseat and rendering the valve useless. The end of this plunger L has a bail Z4, te which the end of the cable His attached after passing over a pulley H2, mounted in a suitable frame above the floor. This plunger is arranged to be at its lowermost point when the roo float is on the crest of the wave.

N is a discharge-pipe leading from the cylinder K to any suitable place.

In the cylinder K is placed a plunger 7a2,

having a valve 75" on its lower end. This plunger is attached to a double rope or cable O, which passes over the pulley Il2 beneath the cable II. The cable O is preferably doubled and banded together by suitable webbing 0, its length being such as to raise the plunger k2 to its highest point of ascent.

P is a tank above the pier, into which a discharge-pipe leads from the cylinder 7a2. This tank is intended to be used for storage purposes, from which the water may be drawn for sprinkling, tbc. The pulley Il2 is formed with two grooves h2, in which the cable O rests, and iianges h3 for retaining the same in place, as shown in Fig. 4.

Tovary the weight oi the plunger L, I place a pulley Q, at right angles to pulley H2, back of the same, over which passes a chain q. Below the iioor is formed a storage-com partment R, in which the chain is stored, and from which it passes over the pulley Q down into the receptacle in the plunger L, the amount deposited therein being governed by the necessary weight required to force the piston 7.32 up, and when necessary to draw the iioat up close under the ioor.

To quickly load the plunger with the chain, I place a crank on the pulley Q, which pulley may be provided with suitable grippingteeth, and by turning the same either load or unload the plunger.

In operation my apparatus works as follows: The ioat resting on the water is held in one position by the frame and permitted a vertical movement only. As it rises and falls on the surface the plunger is likewise raised and lowered, in the former case by the weight of the lioat and in the latter by its own weight. As the plunger ascends the was ter above the valve is raised and the plunger 7a2 is lowered. lVhen the plunger L falls, it carries the plunger 7a2, with its load of water, up, which is discharged into the tank above. lVhen it is necessary to increase the weight of the plunger, the chain is drawn from the storage-compartment and deposited in the plunger. This operation may be continued until the weight of the plunger is sutlicient to draw the float up out of the water. At periods it will be unnecessary to utilize the small pump, in which case the cable O is detached and the pump permitted to rest, the weight of the plunger L being at the same time diminished. This change in the weight is also necessary when a large amount of water is to'be raised in the large cylinder. Vhen it is desired to utilize the small pump independent of the working of the large pump, it is only necessary to draw the valve in the weighted plunger up, permitting the water to pass through ythe valve-opening without being raised bythe upward movement ot the plunger L.

It will of course be understood that in lieu of one of the cylinders K I may employ two or more, as the varying weight of the plunger L may be regulated to raise two plungers. lt will thus be seen that a very strong, durable, and effective apparatus is produced.

In shaping the float as described I overcome the side impact of the waves to a great extent, and by the particular manner ot mounting the l'loat the same is held rigidly in place.

I am aware that many minor changes in the construction and arrangement of the parts of my apparatus can be made and substituted for those herein shown and described without in the least departing from the nature and principle of my invention.

Having thus fully described my invention, what l claim as new, and desire to secure by Letters Patent, is

1. In an apparatus of the kind described, the combination, with a frame and its supports, of an elliptical float attached thereto,

a cylinder, a weighted plunger therein, a

plunger actuated by said plunger, and a connection between the iioat and the weighted plunger, substantially as described.

2. The combination, with the supportingpiles, of a frame having diverging side bars, a rock-shaft supported by the piles to which the frame is hinged, a float journaled in the frame between the side bars, and a cable connected wit-h the tloat, substantially as described.

3. The combination, with the iioat and means for retaining the same in place, of a casing having its lower end buried in the sand and perforated, cylinders in the casing, a weighted plunger in one of the cylinders, a connection between the plunger and tioat, and a plunger in the other cylinder operated by the other plunger, substantially as described.

Lt. The combination, with the float, of a weighted plunger, a plunger operated by said plunger, and a removable weight for the weighted plunger, substantially as described.

5. The combination,with a lioat, of a plunger actuated thereby, having a changeable weight thereon, and means for varying the weight, substantially as described.

6. The combination, with the float, of a casing, a cylinder in the casing, a plunger in the cylinder, having a receptacle thereon, a storage-compartment, and a weight arranged to be transferred from the storage-compartment into the receptacle on the plunger, substantially as described.

7. The combination, with the plunger, a pulley above the same, a storage-compartment, and a chain passing over the pulley, whereby the chain may be transferred from the compartment to the plunger, substantially as described.

8. The combination, with a float, of the cylinders, a weighted plunger in one cylinder, a grooved pulley, a plunger in the other cylinder, a webbed connection between the two plungers passing over the pulley, and a cable IOO ll., The combination, with the rocking bar and its support, of the piles engaging the same near its center, side bars diverging in- 15 Wardly from the shaft., and an elliptical hollowr float secured in the side bars, substantially as described.

In testimony whereof I afx lnysi gnature in presence of two witnesses.

NATHAN O. BOND.

lVitnesses:

D. G. STUART, F. R. CORNWALL. 

